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Current Electricity

Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is

28.28 mA
7.07 mA
14.14 mA
0.707 mA

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Current Electricity
Resistance of 220 V, 100 W lamp will be

4840 Q
484 ft
4.84 Q
48.4 Q

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Current Electricity
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is

4.6 A, 6.9 A
4.6 A, 9.6 A
6.4 A, 9.6 A
6.4 A, 6.9 A

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Current Electricity
A field of force can exist only between

Two ions
Two metal particles
Two molecules
Two atoms

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Current Electricity
Which of the following materials has the least resistivity ?

Lead
Mercury
Zinc
Copper

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Current Electricity
When one lag of parallel circuit is opened out the total current will

Decreases
Increases
None of the listed here
Become zero

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MORE MCQ ON Current Electricity

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